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Fitness & Personal Health
IPR
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Fitness and Stress Relations
Why would we study exercise and stress in the same unit? What aspects of development are they related to? What is exercise? What counts as exercise? Physical activity?
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Benefits of Regular Exercise
Improves: bone mass, cholesterol levels, appearance, weight control, energy, confidence, mobility (especially for people with arthritis), stress Decreases risk of: depression, blood clots, osteoporosis, stroke, hypertension, colon cancer, falls for elderly, senility, type II diabetes, heart disease
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Benefits of Regular Exercise?
Term to know- Endorphins Decreased risk for disease Improved mood, looks, less risky behaviors, etc…. DVD: 10 reasons to get in shape and stay in shape video part 2 video ( 20 min)
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Four Major Health Related Components to Fitness:
Flexibility – the ability to move joints and use muscles through their full range of motion. Examples: Stretching, Sit and Reach, Yoga, Hockey, Gymnastics, Cheer, Sit and stretch
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Muscle Endurance – the ability of a muscle, or a group of muscles, to sustain repeated contractions or to continue applying force against a fixed object. Use same group of muscles over and over. Examples: With repetition: Push-ups, Sit- ups, Pull-ups, Crunches True muscle endurance exercises require the same muscle movement repetition (you can’t do just one): running, jogging, swimming, bicycling
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Muscle Strength – the ability of a muscle to
exert force for a brief period of time. Example: martial arts, weight lifting, monkey bars, pull up, Water ski, gymnastics ( bars)
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4. Cardiovascular (Cardiorespiratory) Endurance – the ability of the circulatory and respiratory systems (heart, blood vessels, and lungs) to deliver oxygen and fuel to working muscles during exercise and sustained physical activities. This component is most important to lifetime wellness because it keeps the heart healthy. Examples: Running, swimming, Biking Hiking Swimming Running Skating
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Skill Related Components to Fitness
Successful athletic participation tends to involve most of these components: Speed – the ability to move quickly from one point to another Agility – the ability of the body to change direction quickly & accurately. Balance – the ability to maintain equilibrium while stationary or moving. Coordination – the ability to combine the senses with the body parts to perform activities smoothly and accurately (hand – eye, foot – eye). Reaction Time – amount of time it takes to get moving in response to a stimulus. Power – the ability to transfer energy into force at an explosive pace (hitting a ball, jumping).
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Do NOT exceed Maximum Heart Rate!
Resting Heart Rate (R.H.R.) -- the speed at which your heart beats when you are at rest. For accuracy, take your pulse for 1 full minute before you get out of bed in the morning (bladder should be empty). Repeat for a few mornings and take the average of those counts. Maximum Heart Rate (M.H.R.) – the fastest your heart is capable of beating safely. Figuring Maximum Heart Rate: 220 – your age = M.H.R. Ex: For a 15 year old…. 220 – 15 = M.H.R. of 205 bpm (beats per minute) Do NOT exceed Maximum Heart Rate!
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Target Zone Heart Rate – The heart rate you should try maintain during an aerobic workout. This is rate at which your heart muscle gets a good workout, safely. 60 to 80 % of Maximum Heartrate For beginners who are in good health, but just starting to workout, or working out on an irregular basis, target zone is about 60% of your M.H.R. People who are healthy, work out 3 or more times per week, and workout regularly for a few months may increase their target zone to 80% of their M.H.R.
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Estimating Target Zone Heart Rate:
For beginners: M.H.R. x 60% = Target Zone Heart Rate Example: 205 x .60 = 123 bpm (For 15 year old) For advanced: M.H.R. x 80% = Target Zone Heart Rate Example: 205 x .80 = 164 bpm
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Stage 1: 5 – 10 min. warm-up activity
Exercise Program: A safe and well planned cardiovascular exercise program should consist of : Stage 1: 5 – 10 min. warm-up activity examples: stretching, light jogging Stage 2: 20 – 30 min. stimulus activity - target zone examples: aerobics, running, zumba Stage 3: 5 – 10 min. of cool down activities examples: stretching, floor exercises, flexibility activities, slower-paced exercises Lactic acid builds up in muscles during exercise. It is followed by production of other metabolites, which may result in Delayed Onset Muscle Soreness (DOMS).
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For cardiovascular improvement, you should exercise at least 3 – 5 times per week, with minutes per workout at your target zone rate. It takes months of consistent workout to make a big improvement in fitness level. When workout routines stop, muscles begin to lose tone.
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How do you know if you are benefiting?
Are you in the zone?? Target heart rate zone that is!
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Preventing and treating injuries
See hand out Highlight Read pages SILENTLY on your own! Make general notes about what you read in your class notes from this unit
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Main ideas from book Warm up Cool down RICE treatment
rest, ice, compress, elevate Side stitch Stress fracture Concussions Shin splints Air pollution Protective clothing
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Body Mass Index* – BMI – the measure of body fat based on height and weight. You can check yours at the Centers for Disease Control (CDC) website at bmi/childrens_bmi/about_childrens_bmi.html *Keep in mind that BMI does not take frame size or lean muscle percentage, or waist to hip ratio, which all play a role in determining probability of overall health.
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Normal Range of Body Fat (for adults over the age of 23): Men = 7 – 15% 20% or higher = obesity Women = 20 – 25% 30% or higher = obesity Obesity is defined as having too high a ratio of body fat compared to body muscle. Is obesity about how much one weighs????? NO… it is about lack of fitness!
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New Research BAI – Body Adiposity Index is being tested as a more accurate way to assess body composition than BMI (body mass index). BAI considers height and hip measurements, not just the height to weight comparison of BMI.
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Where a body stores excess fat is more important in terms of health risks than just weight. BAI addresses that.
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Fitness Testing Test your fitness Push ups Sit ups Stairs Flexibility
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Partner/ Group assignment over “Injuries” (1-3 people)
Read through pgs and pages Chose a partner and a project choice Projects must focus on a specific safety or injury topic (except for “D”) A. Make a locker size poster for a locker room titled “preventing and dealing with injuries”/ “ Physical Activity and Safety” B. Make a 3 fold brochure on “preventing and dealing with injuries” or “ Physical Activity and Safety” C. Create a graphic organizer (web/flow chart) on “preventing and dealing with injuries” D. Answer all questions in the text on page 338 ch 13
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